Bob, good points. I did not mean to dicosurage speculation. It makes it a bit scientifically more interesting to know what comments are based on if not obvious. There was a paper published in a prestigious journal (probably Journal of Geophysical Research solid earth)by a well-known atmospheric scientists relating, I think, air pressure to earthquakes, probably southern california. This was probably closer to 20 years ago than 10.

Yes, the air pressure from an intense storm like the blizzard a couple weeks ago was about like the effect of removing 2/3 of a meter of water from a reservoir. In areas that are extremely sensitive; I think itw as Monticello researvoir in south Carolina (??), 1 m changes in water level were associated strongly with seismicity. This may be fluid pressure in joints rather than just the weight, or both. But, these were probably very shallow quakes.

Chris